package com.demo;

public class AssigningOperatorDemo1 {
    public static void main(String[] args) {
        //+=
        /*
        规则，将左边和右边进行相加，然后再把结果赋值给左边
         */
        int a=10;
        int b=20;
        a+=b;
        System.out.println(a);//30
        System.out.println(b);//20

        //细节
        /*
        +=,-=,*=,/=
        底层都隐藏了一个强制类型转换
         */
        short s=1;
        //s=(short)(s+1);
        s+=1;
        System.out.println(s);
    }
}
